Annotation of embedaddon/ntp/lib/isc/parseint.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
! 3: * Copyright (C) 2001-2003 Internet Software Consortium.
! 4: *
! 5: * Permission to use, copy, modify, and/or distribute this software for any
! 6: * purpose with or without fee is hereby granted, provided that the above
! 7: * copyright notice and this permission notice appear in all copies.
! 8: *
! 9: * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
! 10: * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
! 11: * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
! 12: * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
! 13: * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
! 14: * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
! 15: * PERFORMANCE OF THIS SOFTWARE.
! 16: */
! 17:
! 18: /* $Id: parseint.c,v 1.8 2007/06/19 23:47:17 tbox Exp $ */
! 19:
! 20: /*! \file */
! 21:
! 22: #include <config.h>
! 23:
! 24: #include <ctype.h>
! 25: #include <errno.h>
! 26: #include <limits.h>
! 27:
! 28: #include <isc/parseint.h>
! 29: #include <isc/result.h>
! 30: #include <isc/stdlib.h>
! 31:
! 32: isc_result_t
! 33: isc_parse_uint32(isc_uint32_t *uip, const char *string, int base) {
! 34: unsigned long n;
! 35: char *e;
! 36: if (! isalnum((unsigned char)(string[0])))
! 37: return (ISC_R_BADNUMBER);
! 38: errno = 0;
! 39: n = strtoul(string, &e, base);
! 40: if (*e != '\0')
! 41: return (ISC_R_BADNUMBER);
! 42: if (n == ULONG_MAX && errno == ERANGE)
! 43: return (ISC_R_RANGE);
! 44: *uip = n;
! 45: return (ISC_R_SUCCESS);
! 46: }
! 47:
! 48: isc_result_t
! 49: isc_parse_uint16(isc_uint16_t *uip, const char *string, int base) {
! 50: isc_uint32_t val;
! 51: isc_result_t result;
! 52: result = isc_parse_uint32(&val, string, base);
! 53: if (result != ISC_R_SUCCESS)
! 54: return (result);
! 55: if (val > 0xFFFF)
! 56: return (ISC_R_RANGE);
! 57: *uip = (isc_uint16_t) val;
! 58: return (ISC_R_SUCCESS);
! 59: }
! 60:
! 61: isc_result_t
! 62: isc_parse_uint8(isc_uint8_t *uip, const char *string, int base) {
! 63: isc_uint32_t val;
! 64: isc_result_t result;
! 65: result = isc_parse_uint32(&val, string, base);
! 66: if (result != ISC_R_SUCCESS)
! 67: return (result);
! 68: if (val > 0xFF)
! 69: return (ISC_R_RANGE);
! 70: *uip = (isc_uint8_t) val;
! 71: return (ISC_R_SUCCESS);
! 72: }
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